Index/Topics/Stratospheric Aerosol Injection

Stratospheric Aerosol Injection

Small-scale research into injecting aerosols into the stratosphere, mentioned as a theoretical geoengineering proposal.

Fact-Checks

5 results
Jan 13, 2026
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What is the purpose of chem trails

The phrase “chemtrails” usually refers to a conspiracy claim that persistent white lines left by aircraft are deliberate sprays of chemicals or biological agents with a hidden purpose — most commonly ...

Jan 28, 2026
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What are they spraying from airplanes over Colorado?

High-altitude white streaks seen are, according to atmospheric scientists and federal agencies, ordinary aircraft contrails—ice crystals formed from jet exhaust under certain humidity and temperature ...

Jan 18, 2026
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What peer‑reviewed studies exist on deliberate atmospheric geoengineering and how do they differ from chemtrail claims?

Peer‑reviewed science on deliberate atmospheric geoengineering exists in distinct streams — studies of cloud seeding and of proposed solar‑radiation management or carbon removal techniques — and those...

Jan 19, 2026

What is the evidence cited by scientists for and against the claim that geoengineering programs have been deployed in the atmosphere?

No peer‑reviewed scientific study or authoritative assessment presented in the provided reporting confirms that a coordinated, large‑scale geoengineering program has been deliberately deployed in the ...

Jan 7, 2026

What 8 chemicals are sprayed in Geo-engineering

Public discussion and peer-reviewed work show that proposed solar geoengineering schemes have centered on a small set of aerosol materials and engineered particles—most prominently sulfur compounds an...